A river journey of a special kind: The successful team of Florian Monheim and Jürgen Kaiser explores the cathedrals along the Rhine. The great sacred buildings of the Middle Ages are lined up like a string of pearls. Starting from Constance, the journey takes you through Basel, Freiburg, and Strasbourg to the world's largest Romanesque church, the Speyer Cathedral. Following that are Worms, Oppenheim, Mainz, and Cologne. These magnificent structures set new standards not only in terms of height and size. Each one offers something unique, as the builders were indeed in competition with one another, striving to create something that surpassed their predecessors. Spanning 500 years, this timeline showcases the best and most innovative offerings available to the builders of the time. Kaiser’s texts highlight the unique features and provide context. Monheim’s photographs turn the book into a true delight. In keeping with the subject, the photo book is presented in an XXL format. This creates an unprecedented overview of the most significant medieval buildings in Germany.